Overview
A method aimed at clarifying product concepts by showing requirements for products in a hierarchical structure.
Steps
- 1
Set the product as the design subject in advance.
- 2
Extract requirements for the product.
- 3
Group requirements for the product based on similarity of purpose.
- 4
Extract common purposes (higher-level items) for each group created in STEP 2.
Tips & Tricks
When grouping or considering purposes, it is also important to forget about the design subject temporarily.
